Adjustable drum screen for coal gangue processing

The adjustable drum screen design solves the problem of fixed screening length, enabling flexible screening path adjustment and automatic cleaning, thus improving screening accuracy and production efficiency.

CN223517915UActive Publication Date: 2025-11-07INNER MONGOLIA HAIHE NEW KINETIC ENERGY IND DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202422603731.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-11-07
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The existing rotary drum screens have a fixed screening length, which cannot be adjusted according to material characteristics or production needs. This results in the need for longer drums when processing large volumes, while smaller diameter drums are needed when processing fine particles. Operators need to frequently change equipment, making them impractical.

Method used

An adjustable drum screen was designed. The movement range of the second filter cylinder on the inner wall of the first filter cylinder is adjusted by a hydraulic cylinder to extend or shorten the screening path. It is equipped with a cleaning mechanism and a drive mechanism to achieve flexible adjustment of the screening length and automatic cleaning.

Benefits of technology

It enables the adjustment of screening length according to demand, improves screening accuracy, avoids material accumulation, ensures a continuous and efficient production process, and reduces the frequency of manual cleaning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an adjustable drum screen for coal gangue processing. The adjustable drum screen comprises a mounting frame, a collecting shell is fixed to the top of the mounting frame, a blocking shell is fixed to the top of the collecting shell, a cleaning mechanism is mounted on the surface of the blocking shell, and a driving mechanism is arranged on the surface of the collecting shell. An extension plate is fixed to the surface of the blocking shell, supporting wheels are rotatably connected to the surface of the extension plate and the top of the collecting shell, a first filter cylinder is slidably connected to the surfaces of the supporting wheels, a second filter cylinder is slidably connected to the inner wall of the first filter cylinder, a bearing ring is fixed to the surface of the second filter cylinder, and a plurality of guide rods are fixed to the right end of the surface of the first filter cylinder; and the guide rod penetrates through the second filter cartridge in a sliding manner. According to the utility model, the screening length of the drum screen can be adjusted according to requirements, and coal gangues with different properties can be better matched, so that the screening accuracy is improved, the requirement of purchasing drum screens with various lengths is omitted, and the device has better practicability.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coal gangue processing technical field, concretely is adjustable formula coal gangue processing is with drum screen. BACKGROUND

[0002] Coal gangue is solid waste discharged in the process of coal mining and coal washing, and is a black gray rock with low carbon content and higher hardness than coal, which is associated with coal seam in the process of coal formation, including tunneling gangue in the process of tunneling, gangue mined from roof, floor and interlayer in the process of mining, and washing gangue in the process of coal washing.

[0003] At present, drum screen is often used in the process of coal gangue processing, but the screening length of the existing drum screen is usually fixed and cannot be adjusted according to the characteristics of materials or production requirements. When the processing capacity is large, a longer drum is needed, and when processing small particles, a drum with smaller diameter is needed to improve the screening accuracy, which makes the operator need to select different drum screens according to the requirements, resulting in poor practicability of the current drum screen and difficulty in meeting the use requirements. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of adjustable formula coal gangue processing is with drum screen, with the screening length of drum screen can be adjusted according to demand, different properties of coal gangue can be better matched, so as to improve the accuracy of screening, and the need of purchasing multiple length drum screens is saved, so that the device has better practicability.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of adjustable formula coal gangue processing is with drum screen, including mounting frame, the mounting frame top is fixed with collection shell, the collection shell top is fixed with blocking shell, the blocking shell surface is installed with cleaning mechanism, the collection shell surface is provided with driving mechanism;

[0006] The surface of the blocking shell is fixed with an extension plate, the surface of the extension plate and the top of the collection shell are rotatably connected with support wheels, the surface of the support wheel is slidably connected with a first filter cylinder, the inner wall of the first filter cylinder is slidably connected with a second filter cylinder, the surface of the second filter cylinder is fixed with a bearing ring, the right end of the surface of the first filter cylinder is fixed with a plurality of guide rods, the guide rods slidably penetrate the second filter cylinder, the surface of the guide rods is fixed with a support plate, the surface of the blocking shell is fixed with hydraulic cylinders on the front and rear sides, one end of the hydraulic cylinder is fixed with a connecting plate, the surface of the connecting plate is fixedly connected with the surface of the bearing ring on the top, the surface of the connecting plate is fixedly connected with a first discharge plate on the bottom, and the surface of the first discharge plate is fixedly connected with a second discharge plate.

[0007] As a kind of adjustable coal gangue processing drum screen of the utility model, the cleaning mechanism includes delivery pump, the delivery pump is fixedly connected with the surface of collection shell, the delivery pump liquid discharge end is communicated with water supply pipe, the surface of water supply pipe is communicated with shunt pipe, the shunt pipe penetrates blocking shell.

[0008] As a kind of adjustable coal gangue processing drum screen of the utility model, the shunt pipe is provided with brush plate above, the brush plate is fixedly connected with the surface of blocking shell top, the surface brush of brush plate is slidably connected with the surface of first filter cartridge.

[0009] As a kind of adjustable coal gangue processing drum screen of the utility model, the driving mechanism includes speed reducer motor, the speed reducer motor is fixedly connected with the surface of collection shell, the top of collection shell is fixed with U-shaped frame, the surface of U-shaped frame is rotatably connected with driving rod, the surface of driving rod is fixed with driving wheel, the driving wheel is slidably connected with the surface of first filter cartridge, one end of driving rod penetrates U-shaped frame, the surface of driving rod and the output shaft of speed reducer motor are fixed with belt pulley, and the belt pulley on the upper and lower sides is driven by belt.

[0010] As a kind of adjustable coal gangue processing drum screen of the utility model, the surface of collection shell is fixed with guide shell, the surface of mounting bracket is slidably connected with a plurality of collection frames.

[0011] As a kind of adjustable coal gangue processing drum screen of the utility model, the front surface of collection shell is hingedly connected with box door, and the front surface of collection shell is communicated with drain valve.

[0012] As a kind of adjustable coal gangue processing drum screen of the utility model, the top of mounting bracket is fixed with stand column, the top of stand column is rotatably connected with auxiliary wheel, and the surface of auxiliary wheel is slidably connected with supporting plate.

[0013] As a kind of adjustable coal gangue processing drum screen of the utility model, the first and second blanking plates are both designed as angle inclined structure.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] The utility model discloses a lengthening device for coal gangue processing drum screen, including mounting frame 1, the mounting frame 1 top is fixed with collecting shell 2, and the collecting shell 2 top is fixed with the blocking shell 5, and the blocking shell 5 surface is installed with cleaning mechanism 3, and the collecting shell 2 surface is provided with drive mechanism 4, when needing according to coal gangue screening requirement, can adjust the overall screening length, can adjust the movable range of second filter bowl in the first filter bowl wall through the start hydraulic cylinder, when second filter bowl moves to the right side, second filter bowl can slide on the surface of guide rod, make the overall screening range of this device can obtain the extension, and the longer screening path allows the material to have more time to move on the screen surface, helps more thoroughly separating out the product in the target particle size range, and when the processing capacity increases, the length of lengthening screening can increase effective screening area, avoids material accumulation, ensures continuous and efficient production process. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the three-dimensional structure schematic diagram of another perspective of the utility model;

[0018] Figure 3 It is the sectional structure schematic diagram of the utility model;

[0019] Figure 4 It is the local structure schematic diagram of the utility model after operation;

[0020] Figure 5 It is the structure schematic diagram of cleaning mechanism in the utility model;

[0021] Figure 6 It is the structure schematic diagram of drive mechanism in the utility model.

[0022] In the drawing: 1, mounting frame, 2, collecting shell, 3, cleaning mechanism, 301, delivery pump, 302, water supply pipe, 303, shunt pipe, 304, brush plate, 4, drive mechanism, 401, speed reducer motor, 402, U-shaped frame, 403, drive rod, 404, driving wheel, 405, pulley, 5, blocking shell, 6, extension plate, 7, first filter bowl, 8, second filter bowl, 9, guide rod, 10, support plate, 11, bearing ring, 12, hydraulic cylinder, 13, connecting plate, 14, first blanking plate, 15, second blanking plate, 16, stand, 17, auxiliary wheel, 18, collecting frame, 19, material guide shell, 20, support wheel, 21, box door, 22, liquid discharge valve. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-6 A kind of adjustable coal gangue processing drum screen, including mounting frame 1, the mounting frame 1 top is fixed with collecting shell 2, and the collecting shell 2 top is fixed with the blocking shell 5, and the blocking shell 5 surface is installed with cleaning mechanism 3, and the collecting shell 2 surface is provided with drive mechanism 4;

[0024] The surface of the blocking shell 5 is fixed with an extension plate 6, the surface of the extension plate 6 is rotationally connected with a support wheel 20 at the top of the collecting shell 2, the surface of the support wheel 20 is slidingly connected with a first filter cylinder 7, the first filter cylinder 7 is designed in an angle inclined structure, the inner wall of the first filter cylinder 7 is slidingly connected with a second filter cylinder 8, the surface of the second filter cylinder 8 is fixed with a bearing ring 11, the surface of the right end of the first filter cylinder 7 is fixed with a plurality of guide rods 9, the guide rods 9 slidingly penetrate the second filter cylinder 8, the surface of the guide rods 9 is fixed with a support plate 10, the surface of the blocking shell 5 is fixed with a hydraulic cylinder 12 on the front and rear sides, one end of the hydraulic cylinder 12 is fixed with a connecting plate 13, the surface of the upper side of the connecting plate 13 is fixedly connected with the surface of the bearing ring 11, the surface of the lower side of the connecting plate 13 is fixed with a first discharging plate 14, the surface of the first discharging plate 14 is fixed with a second discharging plate 15;

[0025] The coal gangue can be added through the left side of the first filter cylinder 7, the driving mechanism 4 can drive the first filter cylinder 7 to rotate, and the support wheel 20 can support the first filter cylinder 7, so that the coal gangue can be screened in the first filter cylinder 7, the screened coal gangue falls on the surface of the second discharging plate 15 and automatically rolls to the inside of the collecting shell 2 through the surface of the second discharging plate 15, and at the same time, due to the angle inclined design of the first filter cylinder 7, the coal gangue can also automatically move to the right side during the screening process, so that the coal gangue that cannot pass through the screening can automatically fall on the surface of the first discharging plate 14 and then fall into the collecting frame 18 through the surface of the first discharging plate 14, when it is necessary to adjust the overall screening length according to the screening requirements of the coal gangue, the hydraulic cylinder 12 can be started to adjust the movement range of the second filter cylinder 8 in the inner wall of the first filter cylinder 7, when the second filter cylinder 8 moves to the right side, the second filter cylinder 8 can slide on the surface of the guide rod 9, so that the overall screening range of the device can be extended, the longer screening path allows the material to have more time to move on the screen surface, which helps to more completely separate the products within the target particle size range, and when the processing amount increases, the length of the extended screening can increase the effective screening area, avoid material accumulation, and ensure continuous and efficient production process, and when the first filter cylinder 7 rotates, the first filter cylinder 7 drives the guide rod 9 and the support plate 10 to rotate, at this time, the guide rod 9 drives the second filter cylinder 8 to rotate, so as to ensure that the coal gangue material entering the surface of the second filter cylinder 8 can also be subjected to rolling screening effect, and the cleaning mechanism 3 can automatically clean the first filter cylinder 7 after the screening is completed.

[0026] Further, the cleaning mechanism 3 includes a conveying pump 301, the conveying pump 301 is fixedly connected with the surface of the collecting shell 2, a water feeding pipe 302 is communicated with the discharge end of the conveying pump 301, a shunt pipe 303 is communicated with the surface of the water feeding pipe 302, the shunt pipe 303 penetrates the blocking shell 5, and the surface of the penetration part of the shunt pipe 303 and the blocking shell 5 is fixedly connected;

[0027] The liquid outlet of the delivery pump 301 can be communicated with the external pipeline. When the delivery pump 301 is started, water flow can be delivered to the inside of the shunt pipe 303 through the water delivery pipe 302, so that the shunt pipe 303 can spray water flow towards the surface of the first filter cylinder 7, and the surface of the first filter cylinder 7 after screening can obtain a cleaning effect.

[0028] Further, the shunt pipe 303 is provided with a brush plate 304 above the shunt pipe 303, and the brush plate 304 is fixedly connected to the surface of the blocking shell 5 above the surface of the blocking shell 5, and the surface of the brush plate 304 is slidably connected to the surface of the first filter cylinder 7.

[0029] When the first filter cylinder 7 rotates, the brush plate 304 can clean the surface of the first filter cylinder 7, so that the first filter cylinder 7 has a better automatic cleaning effect and reduces the frequency of manual cleaning.

[0030] Further, the driving mechanism 4 comprises a speed reducer motor 401, the speed reducer motor 401 is fixedly connected to the surface of the collecting shell 2, the collecting shell 2 is fixedly connected with a U-shaped frame 402 on the top of the collecting shell 2, the U-shaped frame 402 is rotatably connected with a driving rod 403 on the surface of the U-shaped frame 402, the driving rod 403 is fixedly connected with a driving wheel 404 on the surface of the driving rod 403, the driving wheel 404 is slidably connected to the surface of the first filter cylinder 7, one end of the driving rod 403 penetrates through the U-shaped frame 402, and the surface of the driving rod 403 is fixedly connected with a belt pulley 405 on the output shaft of the speed reducer motor 401, and the upper and lower two belt pulleys 405 are connected through a belt.

[0031] When the speed reducer motor 401 is started, the belt pulley 405 on the surface of the output shaft of the speed reducer motor 401 can drive the driving rod 403 to rotate through the cooperation of the upper belt pulley 405, so that the driving wheel 404 can rotate, and the driving wheel 404 can normally drive the first filter cylinder 7 to rotate, so as to realize the rolling screening effect of the coal gangue in the first filter cylinder 7.

[0032] Further, the surface of the collecting shell 2 is fixedly connected with a material guiding shell 19, and a plurality of collecting frames 18 are slidably connected to the surface of the mounting frame 1.

[0033] The material guiding shell 19 can add the coal gangue materials to be screened into the first filter cylinder 7, and the collecting frames 18 are used to collect the coal gangue materials that cannot pass through the screening.

[0034] Further, a box door 21 is hingedly connected to the front surface of the collecting shell 2, and a liquid discharge valve 22 is communicated with the front surface of the collecting shell 2.

[0035] Opening the box door 21 can take out the screened coal gangue from the inside of the collecting shell 2, and opening the liquid discharge valve 22 can normally discharge the water flow generated after the cleaning of the inside of the collecting shell 2.

[0036] Further, a stand column 16 is fixedly connected to the top of the mounting frame 1, an auxiliary wheel 17 is rotatably connected to the top of the stand column 16, and the auxiliary wheel 17 is slidably connected to the surface of the supporting plate 10.

[0037] The support plate 10 can be in contact with the surface of the auxiliary wheel 17, and the auxiliary wheel 17 can also rotate, so that the support plate 10 can obtain a supporting effect, thereby improving the stability of the second filter cylinder 8 when the second filter cylinder 8 moves on the surface of the guide rod 9.

[0038] Further, the first and second discharge plates 14 and 15 are both designed in an angle inclined structure;

[0039] Through the design of the first and second discharge plates 14 and 15, after the screened coal gangue falls on the surface of the second discharge plate 15, the coal gangue can automatically fall into the collecting shell 2 along the inclined surface of the second discharge plate 15, and it is also ensured that the un-screened coal gangue can automatically roll into the collecting frame 18 along the inclined surface of the first discharge plate 14.

[0040] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable drum screen for coal gangue processing, comprising a mounting frame (1), characterized in that: The top of the mounting frame (1) is fixedly provided with a collecting shell (2), the top of the collecting shell (2) is fixedly provided with a blocking shell (5), the surface of the blocking shell (5) is provided with a cleaning mechanism (3), and the surface of the collecting shell (2) is provided with a driving mechanism (4). The surface of the blocking shell (5) is fixedly provided with an extension plate (6), the top of the extension plate (6) and the collecting shell (2) are rotatably connected with a supporting wheel (20), the surface of the supporting wheel (20) is slidably connected with a first filter cylinder (7), the inner wall of the first filter cylinder (7) is slidably connected with a second filter cylinder (8), the surface of the second filter cylinder (8) is fixedly provided with a bearing ring (11), the surface of the right end of the first filter cylinder (7) is fixedly provided with a plurality of guide rods (9), the guide rods (9) slidably penetrate the second filter cylinder (8), the surface of the guide rod (9) is fixedly provided with a supporting plate (10), the surface of the blocking shell (5) is fixedly provided with a hydraulic cylinder (12) on the front and rear sides, one end of the hydraulic cylinder (12) is fixedly provided with a connecting plate (13), the surface of the connecting plate (13) is fixedly connected with the surface of the bearing ring (11) at the top, the surface of the connecting plate (13) is fixedly provided with a first blanking plate (14) at the bottom, and the surface of the first blanking plate (14) is fixedly provided with a second blanking plate (15).

2. The adjustable drum screen for processing coal gangue according to claim 1, characterized in that: The cleaning mechanism (3) comprises a conveying pump (301), the conveying pump (301) is fixedly connected with the surface of the collecting shell (2), the conveying pump (301) is communicated with a water feeding pipe (302) at the liquid discharge end, the surface of the water feeding pipe (302) is communicated with a shunt pipe (303), and the shunt pipe (303) penetrates the blocking shell (5).

3. The adjustable drum screen for processing coal gangue according to claim 2, characterized in that: The top of the shunt pipe (303) is provided with a brush plate (304), the surface of the brush plate (304) is fixedly connected with the top of the surface of the blocking shell (5), and the surface brush of the brush plate (304) is slidably connected with the surface of the first filter cylinder (7).

4. The adjustable drum screen for processing coal gangue according to claim 1, characterized in that: The driving mechanism (4) comprises a speed reducer motor (401), the speed reducer motor (401) is fixedly connected with the surface of the collecting shell (2), the top of the collecting shell (2) is fixedly provided with a U-shaped frame (402), the surface of the U-shaped frame (402) is rotatably connected with a driving rod (403), the surface of the driving rod (403) is fixedly provided with a driving wheel (404), the driving wheel (404) is slidably connected with the surface of the first filter cylinder (7), one end of the driving rod (403) penetrates the U-shaped frame (402), the surface of the driving rod (403) is fixedly provided with a belt pulley (405) with the output shaft of the speed reducer motor (401), and the upper and lower two side belt pulleys (405) are drivingly connected through a belt.

5. The adjustable drum screen for processing coal gangue according to claim 1, characterized in that: The surface of the collecting shell (2) is fixedly provided with a material guiding shell (19), and the surface of the mounting frame (1) is slidably connected with a plurality of collecting frames (18).

6. The adjustable drum screen for processing coal gangue according to claim 1, characterized in that: The front surface of the collecting shell (2) is hingedly provided with a box door (21), and the front surface of the collecting shell (2) is communicated with a liquid discharge valve (22).

7. The adjustable drum screen for processing coal refuse according to claim 1, wherein: The top of the mounting frame (1) is fixedly provided with a stand column (16), the top of the stand column (16) is rotatably connected with an auxiliary wheel (17), and the surface of the auxiliary wheel (17) is slidably connected with the supporting plate (10).

8. The adjustable drum screen for processing coal refuse according to claim 1, wherein: The first blanking plate (14) and the second blanking plate (15) are both designed in an angularly inclined structure.